public function testGetBearerTokenSuccessReturn()
{
//Replace with your own key/secret in order to test
$key = $this->key;
$secret = $this->secret;
$uri = 'https://api.twitter.com/oauth2/token';
$body = 'grant_type=client_credentials';
$oauth = new OAuth($key, $secret, $uri, $body);
$token = $oauth->getBearerToken();
$this->assertInternalType('string', $token);
return $oauth;
}
/**
* This generates the headers neccessary to communicate with
* the Twitter REST API.
*
* @return string[] Returns the header array used to authenticate
*/
protected function generateHeader()
{
$header = [];
$header[] = 'Authorization: Bearer ' . $this->oauth->getBearerToken();
return $header;
}